Patent · US Expired

Protective sheath for electrical or optical conductors hardened with respect to X-rays

US4837448A · kind A · utility

14Cited by
5References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 8, 1987
Grant dateJun 6, 1989
Priority date
Expiry dateApr 8, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B6/443
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Protective sheath for optical or electrical conductors hardened with respect to X-rays. It comprises a flexible sheath formed from a resin matrix containing in regularly dispersed powder form at least one metal and/or at least one inorganic compound of a metal, said metal having a high atomic number of at least 47, a covering placed between the optical fibre and the X-ray protection sheath and optionally a mechanical protection sheath made from plastic directly covering the optical fibre.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.